Cells (in this case, cubes) with only 1 or less neighbours die, as if by lonliness.

If 5 cells surround an empty cell, they breed and fill it.

If a cell has 8 or more neighbours, it dies from overcrowding.

Strictly speaking, that means it's not the Game of Life but a more elaborate automaton. The results are rather obscure, visually, to me, in this particular setup. I hope this gets expanded to allow for more experimenting with rules. Read the rest